23640425983 has 2 divisors, whose sum is σ = 23640425984. Its totient is φ = 23640425982.

The previous prime is 23640425971. The next prime is 23640426011. The reversal of 23640425983 is 38952404632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23640425983 - 2⁵ = 23640425951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23640422983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11820212991 + 11820212992.

It is an arithmetic number, because the mean of its divisors is an integer number (11820212992).

Almost surely, 2^23640425983 is an apocalyptic number.

23640425983 is a deficient number, since it is larger than the sum of its proper divisors (1).

23640425983 is an equidigital number, since it uses as much as digits as its factorization.

23640425983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 23640425983 in words is "twenty-three billion, six hundred forty million, four hundred twenty-five thousand, nine hundred eighty-three".